• Strong proficiency in JavaScript,
• Thorough understanding of React.js and its core principles
• Experience with popular React.js workflows (such as Flux or Redux)
• Familiarity with newer specifications of ECMAScript

Experience with data structure libraries
• Familiarity with RESTful APIs
• Core web fundamentals: HTML, JavaScript, and CSS
• CSS preprocessors like Sass or LESS
• JS-based build tools like Grunt, Gulp, and Bower
• JavaScript Libraries like jQuery or Backbone.js
• Front-end (CSS) frameworks like Foundation or Bootstrap
• AJAX (Asynchronous JavaScript and XML) (ref:hirist.com)


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